<!DOCTYPE html>
<html>
<head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

    <link rel="stylesheet" type="text/css" href="{{url_for('static',filename='main.css')}}">

    {% if title %}
        <title>乐学偶得官网 - {{ title }}</title>
    {% else %}
        <title>乐学偶得官网</title>
    {% endif %}
</head>
<body>
    <header class="site-header">
            <nav class="navbar navbar-expand-md navbar-dark bg-steel fixed-top">
                <div class="container">
                <a class="navbar-brand mr-4" href="/">乐学知识，偶得美好</a>
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggle" aria-controls="navbarToggle" aria-expanded="false" aria-label="Toggle navigation">
                    <span class="navbar-toggler-icon"></span>
                </button>
                <div class="collapse navbar-collapse" id="navbarToggle">
                    <div class="navbar-nav mr-auto">
                    <a class="nav-item nav-link" href="{{ url_for('main.index') }}">主页</a>
                    <a class="nav-item nav-link" href="{{ url_for('main.about') }}">关于</a>
                    </div>
                    <!-- 右侧Nav Bar -->
                    <div class="navbar-nav">
                        {% if current_user.is_authenticated %}
                            <a class="nav-item nav-link" href=" {{ url_for('users.account') }}">个人主页</a>
                            <a class="nav-item nav-link" href=" {{ url_for('posts.new_post') }}">写文章</a>
                            <a class="nav-item nav-link" href=" {{ url_for('users.logout') }}">登出</a>
                        {% else %}
                            <a class="nav-item nav-link" href=" {{ url_for('users.login') }}">登录</a>
                            <a class="nav-item nav-link" href="{{ url_for('users.register') }}">注册</a>
                        {% endif %}
                    </div>
                </div>
                </div>
            </nav>
            </header>
        
        
            <main role="main" class="container">
            <div class="row">
                <div class="col-md-8">
                    {% with messages = get_flashed_messages(with_categories=true) %}
                        {% if messages %}
                            {% for category , message in messages %}
                                <div class= "alert alert-{{ category }}">
                                    {{ message }}
                                </div>
                            {% endfor %}
                        {% endif %}
                    {% endwith %}
                    {% block content %}{% endblock %}
                </div>
                <div class="col-md-4">
                <div class="content-section">
                    <h3>导航栏</h3>
                    <p class='text-muted'>这里可以写你想要的内容
                    <ul class="list-group">
                        <li class="list-group-item list-group-item-light">最新文章</li>
                        <li class="list-group-item list-group-item-light">公告</li>
                        <li class="list-group-item list-group-item-light">日历</li>
                        <li class="list-group-item list-group-item-light">其他</li>
                    </ul>
                    </p>
                </div>
                </div>
            </div>
            </main>

    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>

</body>
</html>